Mielnik was formerly part of the German Empire. In the German Empire, the place was called Melling.
The place is now called Mielnik and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Melling | German Empire | Habelschwerdt | 1939 |
| Mielnik | Under Polish administration | Bystrzyca Kłodzka | 1945 |
| Mielnik | Poland | Wałbrzych | 1992 |